Question

If A = {0, 1, 2, 3} and B = {…−3, −2, −1}, what is A ∩ B?

{…−3, −2, −1, 0, 1, 2, 3, …}

{…−3, −2, −1}

{0, 1, 2, 3}

{ }

Answer 1

whats does the "n" mean in: AnB

Answer 2

Intersection.

Answer 3

ok, and how do we define an intersection?

Answer 4

The intersection of two sets results in a new third set that contains only the elements that both sets have in common. Intersection is represented by the symbol .

Answer 5

ok, now; what elements do these sets have in common?

Answer 6

None. So , I would select answer D, correct?

Answer 7

D is the "none" set :) so yes

Answer 8

Thanks for the help :)